TargetLibraryInfo.cpp [plain text]
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/ADT/Triple.h"
using namespace llvm;
INITIALIZE_PASS(TargetLibraryInfo, "targetlibinfo",
"Target Library Information", false, true)
char TargetLibraryInfo::ID = 0;
const char* TargetLibraryInfo::StandardNames[LibFunc::NumLibFuncs] =
{
"memset",
"memcpy",
"memmove",
"memset_pattern16",
"iprintf",
"siprintf",
"sqrt",
"sqrtl",
"sqrtf",
"fiprintf",
"fwrite",
"fputs"
};
static void initialize(TargetLibraryInfo &TLI, const Triple &T) {
initializeTargetLibraryInfoPass(*PassRegistry::getPassRegistry());
if (T.isMacOSX()) {
if (T.isMacOSXVersionLT(10, 5))
TLI.setUnavailable(LibFunc::memset_pattern16);
} else if (T.getOS() == Triple::IOS) {
if (T.isOSVersionLT(3, 0))
TLI.setUnavailable(LibFunc::memset_pattern16);
} else {
TLI.setUnavailable(LibFunc::memset_pattern16);
}
if (T.isMacOSX() && T.getArch() == Triple::x86 &&
!T.isMacOSXVersionLT(10, 7)) {
TLI.setAvailableWithName(LibFunc::fwrite, "fwrite$UNIX2003");
TLI.setAvailableWithName(LibFunc::fputs, "fputs$UNIX2003");
}
if (T.getArch() != Triple::xcore && T.getArch() != Triple::tce) {
TLI.setUnavailable(LibFunc::iprintf);
TLI.setUnavailable(LibFunc::siprintf);
TLI.setUnavailable(LibFunc::fiprintf);
}
}
TargetLibraryInfo::TargetLibraryInfo() : ImmutablePass(ID) {
memset(AvailableArray, -1, sizeof(AvailableArray));
initialize(*this, Triple());
}
TargetLibraryInfo::TargetLibraryInfo(const Triple &T) : ImmutablePass(ID) {
memset(AvailableArray, -1, sizeof(AvailableArray));
initialize(*this, T);
}
TargetLibraryInfo::TargetLibraryInfo(const TargetLibraryInfo &TLI)
: ImmutablePass(ID) {
memcpy(AvailableArray, TLI.AvailableArray, sizeof(AvailableArray));
CustomNames = TLI.CustomNames;
}
void TargetLibraryInfo::disableAllFunctions() {
memset(AvailableArray, 0, sizeof(AvailableArray));
}